如何使用Devise锁定用户？

问题描述

我想在我的应用程序中为帐户持有者添加订阅类型功能，以便在一段固定的时间间隔后，他们将无法访问其帐户？注意：我不想从数据库中删除他们的帐户。我已经在我的应用程序中安装了 devise-2.1.2 。任何身体有什么想法怎么办？我是新手上的 Ruby on rails ，所以这对我来说非常有帮助，如果你能解释这些步骤。

解决方案

Devise具有一个填充解决方案，：lockable 选项检查

你必须设置 lock_strategy 设置为：failed_attempts。

步骤1
设置您的config / initializers / devise.rb以使用：

 ＃定义哪个策略将用于锁定帐户。 
 config.lock_strategy =：failed_attempts 
 
＃定义锁定和解锁帐户时将使用哪个密钥
 config.unlock_keys = [：time] 
 
＃定义用于解锁帐户的策略。 
＃：time =在一段时间后重新启用登录（请参阅下面的unlock_in）
 config.unlock_strategy =：time 
 
＃锁定前的验证次数帐号如果lock_strategy 
＃失败尝试。 
 config.maximum_attempts = 3 
 
＃解锁帐户的时间间隔：如果启用时间为unlock_strategy。 
 config.unlock_in = 2.hours 
  

步骤2
您应该向您添加可锁定的模型：

 类示例< ActiveRecord :: Base 
 devise：database_authenticatable，：可注册，
：可恢复，可记忆，可跟踪，可验证，
：可锁定
  pre> 
 
 
 步骤3  
生成迁移以使设计工作
  class AddLockableToExamples< ActiveRecord :: Migration 
 def change 
 add_column：examples，：failed_attempts，，integer，default：0 
 add_column：examples，，unlock_token，：string 
 add_column：examples，，locked_at ，：datetime 
 end 
 end 
  
 Regards !! 
 
I want to add a subscription type functionality in my application for the account holder users such that after a fixed interval of time they will not be able to access their account? Note: I dont want to delete their account from the database. I've already installed devise-2.1.2 in my application. Do any body have any idea how can it be done? I am newbie to Ruby on rails so it will be very helpful to me if you please explain the steps.
 解决方案 
Devise have a buil-in solution with the :lockable option check in the Devise Lockable Documentation
You have to set the lock_strategy set to :failed_attempts.
Step 1Set your config/initializers/devise.rb to use:
# Defines which strategy will be used to lock an account.
config.lock_strategy = :failed_attempts

# Defines which key will be used when locking and unlocking an account
config.unlock_keys = [ :time ]

# Defines which strategy will be used to unlock an account.
# :time  = Re-enables login after a certain amount of time (see :unlock_in below)
config.unlock_strategy = :time

# Number of authentication tries before locking an account if lock_strategy
# is failed attempts.
config.maximum_attempts = 3

# Time interval to unlock the account if :time is enabled as unlock_strategy.
config.unlock_in = 2.hours
Step 2Your should add the lockable to you Model as this:
class Example < ActiveRecord::Base
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable,
         :lockable
Step 3Generate the migrations to make devise work
class AddLockableToExamples < ActiveRecord::Migration
  def change
    add_column :examples, :failed_attempts, :integer, default: 0
    add_column :examples, :unlock_token, :string
    add_column :examples, :locked_at, :datetime
  end
end
Regards!!
                        
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